1. Department of Epidemiology and Biostatistics, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
2. Department for HIV/AIDS Control and Prevention, Wuhan Center for Disease Control and Prevention, Wuhan, China
3. Jin Yin-tan Hospital, Wuhan, China
4. Wuhan Center for Disease Control and Prevention, Wuhan, China
5. Department of Epidemiology, School of Public Health, and The Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China